VRG CONTROLS LLC. 28 of 60 JUNE 2021
VPC “BV” SERIES VALVE PILOT CONTROLLERS
INSTRUCTION MANUAL
VRG Controls LLC. 26 of 54 APRIL 21, 2019
P2
P1
FLOW
P1
P2
OPEN
CLOSE
Control Valve w/
Spring Piston Actuator
(Spring Open)
CLOSE
SUPPLY
Model VPC-SA-BV
Direct Acng
S
SENSING
LESS DEADBAND MORE
MORE SENSITIVITY LESS
ADJUSTABLE ORIFICE (CLOSE)
ADJUSTABLE ORIFICE (OPEN)
OUTPUT
OUT
S
EX
SENSITIVITY-DEADBAND
ADJUSTMENT
+
OUT
EX
EX
SUPPLY
OUTPUT ISOLATION VALVE
No. VPC Actuator Actuator Mode Posioner Accessory Discharge
3 VPC-SA-BV (DIR) Spring Piston Spring Open - - ATM
SETPOINT ADJUSTMENT SCREW
CW - Increase Setpoint
CCW - Decrease Setpoint
SENSING
VPC Port ID
Other Port ID
Gage Label
Pneumac Connecon
Adjustment Tag Line
TEXT
TEXT
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SCHEMATIC LEGEND